/*
 * Copyright (c) 2024.  little3201.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *       https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.server.starter.exploiter.mapper;

import com.server.starter.exploiter.domain.ColumnInfo;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

/**
 * column mapper.
 *
 * @author wq li
 */
@Mapper
public interface ColumnMapper {

    @Select("SELECT column_name, udt_name as data_type, character_maximum_length, is_identity as identity, is_nullable as nullable, column_default, col_description(pg_class.oid, ordinal_position) AS column_comment\n" +
            "FROM information_schema.columns\n" +
            "JOIN pg_class ON table_name = relname\n" +
            "WHERE table_schema = 'public' AND table_name = #{tableName}")
    List<ColumnInfo> findAllColumnsByName(String tableName);
}
